The University of Delaware College of Agricultural and Natural Resources New Castle County Cooperative Extension will hold various gardeners programs during April.

Workshops will be held at the NCC Cooperative Extension office, 461 Wyoming Road, Newark, unless otherwise noted.

— Containia Mania: 7 to 9 p.m. April 19. Participants are encouraged to bring gardening gloves and a container 12 inch in diameter to learn the basics for container planting with annual ornamental plants. Cost is $25.

— Master Gardener Plant Sale at Ag Day: 10 a.m. to 4 p.m. April 28. The NCC Master Gardeners have been cultivating a variety of plants including herbs that will be available for purchase at Ag Day. They will also have gardening books and “garden treasures” like hypertufa pots for sale. Visit their booth for this, a free kids’ planting activity and home gardening advice.

For registration and more, call 831-2506 or visit bit.ly/2Dm31qQ.